NVIDIA RTX PRO 4000 Blackwell SFF vs AMD Radeon RX 560DX
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Apr 2018
Generation
Blackwell PRO W
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x8
Clock Speeds
Base Clock
577 MHz
1090 MHz
Boost Clock
1432 MHz
1175 MHz
Memory Clock
1125 MHz
1500 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
96.00GB/s
Render Config
SM Count
70
-
Shading Units
8960
896
TMUs
280
56
ROPs
96
16
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
1024 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
137.5 GPixel/s
18.80 GPixel/s
Texture Rate
401.0 GTexel/s
65.80 GTexel/s
FP16 (half)
25.66 TFLOPS
2.106 TFLOPS
FP32 (float)
25.66 TFLOPS
2.106 TFLOPS
FP64 (double)
401.0 GFLOPS
131.6 GFLOPS
Graphics Processor
GPU Name
GB203
Polaris 21
Architecture
Blackwell 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
45.6 billion
3 billion
Die Size
378 mm²
123 mm²
GPU Variant
-
Polaris 21 XL
Board Design
TDP
70W
65W
Suggested PSU
250 W
250 W
Outputs
4x mini-DisplayPort 2.1b
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.4